MityCAM-B1910/B2521 User Manual
Contents
1. Imaging GPIO Shutter Timing Open Time ms Close Time ms Active High Trigger Trigger Mode One Per Image Trigger Delay ms 0 Trigger Active High Figure 4 Update GPIO Pin States From left to right the state is reported as Pin 1 Pin 2 Pin 3 and Pin 4 6 2 Output In output mode the pin can be driven high or low This can be used to toggle a light source or some other operation Page 13 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com MIT CAM MityCAM B1910 B2521 User s Manual 6 2 1 Camera Link Issue the following commands to drive a pin to high low Table 11 Camera Link GPIO Output Configuration Commands Command Meaning lt SETD N 1 gt Set the pin direction of IO N to 1 output lt SETP N 1 0 gt Drive IO N to logic 1 high or logic O low 6 2 2 MityViewer To drive an output high or low select the High or Low options in the pin selection drop down The pin will be immediately requested to that state 7 External Trigger External trigger can be used to synchronize the camera s start of exposure to an external event A few items to note about external triggering are noted below e External trigger is available for both Rolling and Global shutter e External trigger works on CamlOO MityViewer Pin 1 e External trigger looks for the rising edge exposure duration is set in software IMPORTANT Remember for MityCAM B2521 due to sens2. FVAL is held high for approximately ROlyeisht number of row times Strobe Exposure TritTexp Figure 11 Shutter Strobe Timing in Rolling Shutter Mode Figure 11 illustrates the location of the shutter strobe signal with respect to the exposure period while in rolling shutter The strobe occurs 2 Texp rows AFTER the beginning of the first rows exposure Tex is the configured exposure time For an internally triggered free running camera the NEXT exposure will start Trt T x rows away from the rising edge of the Strobe signal Ti is the configured frame interval 8 1 2 External Trigger In external trigger the strobe s rising edge occurs 1 row time before the beginning of frame exposure This is due to the implementation of rolling shutter which requires a rolling reset to occur The strobe width corresponds to the duration of exposure for the first row Strobe Exposure Figure 12 Strobe to Exposure Delay 1 row time Page 19 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual The time between the strobe and the actual beginning of exposure should be 1 row time 8 2 Global Shutter In global shutter mode the strobe s rising edge denotes the actual beginning of frame exposure The strobe width corresponds to the duration of exposure 8 3 Configuring This section will provide details on how to enable the shutter strobe 8 3 1 Mit
3. Number of Frames Continuous 1 a Clear Cydes Timi Exposure Time ms Frame Interval Time ms Start Row Start Col Horizontal stop Capture start Capture Figure 10 MityViewer Snapshot Control Window Configure for Continuous Capture Select Start Capture to arm the camera Applying external triggers will begin updating the frame To exit external trigger mode click Stop Capture then deselect the trigger checkbox Page 18 of 27 60 000007 RITICAL May 12 2015 INK 7 www criticallink com Ki nn II MIT CAM MityCAM B1910 B2521 User s Manual 8 Shutter Strobe The shutter strobe is a logical output that can be used to synchronize an external device to the beginning of exposure of the camera You can select any of the 4 GPIO pins to generate the shutter strobe signal The shutter strobe is available for both rolling and global shutter They have different meaning and characteristics depending on whether the camera is operating in rolling or global shutter as well as in external or internal trigger 8 1 Rolling Shutter In rolling shutter each row begins exposure at a different time In this case the shutter strobe is useful to synchronize an external device to a free running camera 8 1 1 Internal Trigger The shutter strobe is basically a copy of the frame valid signal from the sensor chip in rolling shutter mode The width of the strobe is equal to the length of the FVAL signal
4. Global Shutter Timing Parameters Row Times ae SE Row Times Row Times EEE O BEE Row Times Texp is the configured exposure time There is no minimum and the maximum is currently 262143 rows If longer exposures are needed SCLK can be reduced Texp start Is a function of the current exposure time Due to sensor control requirements maximizing potential trigger frequency requires Texp start to follow the equation 1 below Page 15 of 27 60 000007 RITICAL May 12 2015 INK b www criticallink com amp MITC AM MityCAM B1910 B2521 User s Manual T T FT Fe 16 Texp Texp lt ROlyeignt 16 1 exp_start jitter min 0 Texp gt ROlyeignt 16 The first class essentially dictates that the exposure start time is the ROlyejent Plus 16 minus the number of rows of exposure The second class shows that the exposure starts after 1 row plus some jitter after the trigger starts Multiplying the number of rows by the row time yields the actual time of the event 7 2 Configuration This section will tell you how to set up External Triggering See the section pertaining to the interface you are using 7 2 1 Camera Link Issue the following commands lt STOP gt Ensure the camera is not currently running lt TRIG 1 gt Tell the camera it will be triggering on CamlOO lt STRT gt Arm the camera it is now waiting for the external trigger To exit external trigger issue lt STOP gt lt TRIG O gt Issuing lt STRT
5. Over time with a reduced vertical ROI such as requesting 1000 active rows for readout the remaining active rows which are NOT being read out will saturate and bloom into the area being readout This results in pixels of greater magnitude around the horizontal edge of the imaging area as in the example below Figure 2 Potential Leakage Blooming with Reduced Vertical ROIs 4 Exposure amp Frame Interval Time Exposure and Frame Interval are integral multiples of row times from the sensor Use the table in the section 5 SCLK to convert these row times to time values Limits on exposure and frame interval times are sensitive to the shutter mode rolling vs global as well as triggering mode internal vs external 4 1 Frame Interval The Frame interval is dependent on the triggering method of the camera as well as the shutter mode For external triggering the maximum frame interval time is set by the trigger input For internal triggering the maximum frame interval time is defined by Table 7 For both internal and external triggering the minimum frame times are defined by the values in Table 8 Table 7 Range of Frame Interval Times Minimum Frame Interval row times Maximum Frame Interval row times Rolling Shutter Global Shutter Rolling Shutter Global Shutter ROlweignt 17 2 262143 ROlheight ROlyeignt 262143 2 Page 9 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com MIT CAM Mi
6. User s Manual Using either the USB 2 0 Port or the Gigabit Ethernet interface you can alter the network configuration of either interface by opening a standard Web Browser e g Internet Explorer Chrome Firefox etc and connection to address http 10 1 47 2 netconfig py Change the 10 1 47 2 address to the appropriate address if you are using the Gigabit Ethernet interface After selecting the webpage you should see the following dialog Mike 5 Mity BT A atharr i N 10 1 47 2 netconfig py G Ti Apps rer Ga Imported From Work Home M Calendar 1 Other bookmarks MityCAM S SoC Network Configuration Page Network Configuration Update Figure 14 Network Configuration Webpage With the displayed dialog change the network settings for the interface that needs updating and select the update button This will cause the device to rewrite its network configuration settings and restart the network connections immediately Note if you are modifying the same network interface that you are connected on you may need to power cycle the camera after 1 minute to reconnect the network web interface 13 Firmware Upgrade Recent versions of the MityCAM B2521 and MityCAM B1910 allow upgrading the firmware via the network interface Details for acquiring the firmware and downloading the firmware to the camera are available on the Critical Link MityCAM Support Site Page 25 of 27 60 000007 RITICAL May 12
7. 1 SEE E E EEA E E E E E E E A E 12 GPIO oe T A E E EEE EEE AREIEEEREN 12 OPINE a E E A E E N E E ST ERERLRRRGEIFEE 12 MEO 14 BB AE E E E E E A A E E E E E E E E E E OE 12 BI NIS VICI Se ee ee ee ee ee A 13 EPA DITE a 0 AE E A E AEA EINE SR ANE E onbwnneedigu cate E A E A E E AE E A CHR NE A E 13 CLAC 15 L e E E E E NEL TIERESUNLENNERSHRAREIEETUREHERNEERETERER 14 EPPA A A E ee EEA E E A A E EEA E EA E EA E E EA T EN 14 7 External Trio Ben EE een 14 7 1 Timing Ce a Ce OPIS CICS ee ee E er ein 14 7 1 KRONE SI Ute ne ee ee er eeie 14 Fe GO DAL SAU ER ee ee eier 14 7 2 COMO NOUN ee ee ee een 16 Wj ae NE Gig E 0 9 E 1 ae eee Te ae ee IE NENNE SEE ae 16 Ti Zid INI VOW Cle ee RER 17 S SNU ON SUI ONC iicecescnccsctecscde views EE E toscbucnseeutabovueasededeaseasetnescusosiesestosnesutcustwanusaseweuseneswenseovesqusciouse 19 ee ROUND SIA CRC sro casa ee a ee ee rege 19 SL Linera TIO ee ne es een 19 8 1 2 External TT EEE ee ee ee arena 19 Page 2 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual Be G6 al DE ee ee ee ee ee 20 8 3 CONE UCNE e ee ee ee re 20 83 1 MEI VG WW Cl een ee ee einen ee 20 BE I2C WE IK ee ee ee ee ee ee ee 21 9 Camera LINK ms ae ee ea Eee ee ae 22 9 1 Camera OEC ONAE OR ee ee ee E 23 AP 3mers EINK OU DUE NO E ee ee ee 23 10 MityCAM B2521 Specific CONFIZUratiONS ccccscecsccscsceccccecsceccccecscsccececscsceccececsceceececscsc
8. 2015 INK b www criticallink com Mitikam MityCAM B1910 B2521 User s Manual 14 Connecting via RNDIS to a Windows PC 1 Open the Network Connections dialog it may be found by selecting Control Panel gt Network and Internet gt Network Connections Select and right click the USB Ethernet RNDIS Gadget X icon underlined in red and then select Properties from the pop up menu 2 Ks Local Area Connection 6 Identifying USB Ethernet RNDIS Gadget 3 Figure 15 Typical Windows USB RNDIS Adapter Properties 3 Select Internet Protocol Version 4 TCP IPv4 and then press the Properties button See Figure 16 U Local Area Connection 6 Properties Networking Sharing Connect using a USB Ethemet RNDIS Gadget 3 Come This connection uses the following items M Ok Client for Microsoft Networks 3 VirtualBox Bridged Networking Driver Z QoS Packet Scheduler File and Printer Sharing for Microsoft Networks 4 Intemet Protocol Version 6 TCP IPv6 zu intemet Protocol Version 4 TCP Pv4 4 Link Layer Topology Discovery Mapper O Driver Link Layer Topology Discovery Responder K K K K K K keal a Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Coon tenet Figure 16 Inter
9. EXP O gt Special provisions have been made so that the smallest exposure possible is configured when attempting to set an exposure of 0 The actually configured exposure can be checked using lt GEXP gt 10 MityCAM B2521 Specific Configurations This section covers special modes of operation specific to the MityCAM B2521 10 1 Pseudo One Port Mode Pseudo One Port mode allows the MityCAM B2521 to operate as a raster order camera This allows it to be compatible with frame grabbers which cannot perform row reordering operations as is needed when this mode is disabled This mode is only applicable for Camera Link The camera performs the row re ordering internally when outputting to MityViewer Page 23 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp N tycam MityCAM B1910 B2521 User s Manual 10 1 1 Limitations At this time the following limitations exist when operating in Pseudo One Port mode e Only works in rolling shutter mode no global shutter support e No external trigger support e Maximum frame rate is half the maximum for interleaved mode 10 1 2 Configuration Issue the following commands to enter the mode Table 18 Pseudo One Port Mode Commands Command Meaning O lt SSOMD 2 gt Have the sensor read from top to bottom on both halves lt SPOP 1 gt Output in pseud one port mode Issue the following commands to return to the row interleaved format Table 19 Row Inte
10. MityCAM B2521 and MityCAM B1910 User Manual 60 000007 MIT CAM MityCAM B1910 B2521 User s Manual Contents DPE OGUICUION ee a Ra nee ae 5 1 1 CGO Wael CLIN Cla AO a a a ee ee ee 5 12 OE VON ANY ee en er nee ee 5 1 AO OF Pat DOU INC CS ee a ee oe ee ee 5 I EI SENSOR 74 ee ee ee ee ee een es 5 1 3 2 Sensor Re 0 016 OT er a en ee ee ee 6 ABS HR N List CAI BO 8 DESNPRESRESNIEEHRENFEREERLETER A E A E 6 153 2 I NIE CIA 25 2 Me ee ee ee nee ee ee 6 2 Continuous High Speed Operation via Camera LInK scsccscscssscsecscsccccccscsccccccscsceccccecscsceccecscscescecscsceseecececes 7 2 1 Expanded 8 bit Mode 8 bit x 10 pixels u nee een 7 2 2 Expanded 16 bit Mode 16 bit x 5 DIXEIS a 7 2 3 Be Dit Mode 3 DIL IC 2 PIKEIS ee ee ee ee 7 2 4 Base 16 Di Mode 16 Pitx PIE ee ee 8 2 5 Base 12 BE Mode 12 DIG x 2 DKL Je ee ee ee ee 8 3 Region of INTEL a ee ee ee re ee 8 LERES I 0S pee A E E T T A eanesetieciecesteateuns 8 FLEMA P Dee ee nenne E een ee 8 212 MNAM BIST Oele er ersehen 8 3 2 Mity Viewer RESTLICLION sense ee ee eier 9 33 1NDPOrLLAN LE N Ole E ee Bee en een ee ee 9 A Exposure amp Frame Interval Time 00 0u00000 000000000 na a an eh aa an kann Kap aan en ann san 9 A ME ON eaa E iamecan ibciunnbedarapanacenasdsausesiahitawannactieuseatandeotnieenen S 9 4 2 BDOS E ee er ee ebene re ee ersehen 10 4 3 OME eU ap Be ee ee ee een ET T EE 10 AI Me ER ee ee ee ee nee nee inne einer 10 2352 MN EWR er E E eree 1
11. SCLK MHz MityCAM B1910 Row Time us MityCAM B2521 Row Time us BE 0 82 13 87 47 O wD VE O6 O 8 808 8B 12 32 13 12 6 GPIOs There are 4 general purpose IOs that can be used The available modes of operation for them are listed in the table below Table 10 GPIO Modes Input for reading Output driven low Output driven high 4 Input for external trigger See section 7 External Trigger Output driven as shutter strobe See section 8 Shutter Strobe This section will cover Modes 1 2 and 3 Modes 4 and 5 are covered in separate sections All inputs outputs are TTL 5V logic 6 1 Input In the input mode of operation the pin can be queried for its current logical value High or Low 6 1 1 Camera Link Issue lt GETP gt The result will be a hex value representing each pin value as a bit mask which was read back Each bit represents the IO it belongs to Bit 2 gt IO 2 s state For example if the response is lt ACK gt lt A gt then IO 0 and IO 2 are presently low IO 1 and IO 3 are presently high Page 12 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual 6 1 2 MityViewer To place a pin in Input mode select In from the drop down selection box To read back the current state press Update Pins which are being driven high are denoted with an x pins which are low are left blank CIS Calibration
12. age 27 of 27 60 000007 RITICAL May 12 2015 INK lt www criticallink com
13. des Maximum SCLK MityCAM B2521 MityCAM B1910 16 bpp x 5 pixels per clock Expanded 10 tap mode 200 MHz 200 MHz A 6 mode is supported for the MityCAM B2521 It outputs a 10 tap expanded mode that outputs 12 bits per pixel and is compatible with the PCO Edge 5 5 12 bit look up table as described in section 2 4 of the PCO Edge Camera Link Interface document Currently this mode is only supported by the EPIX frame grabber hardware The frame rate limitations for full RIO capture in rolling shutter mode for each of the available Camera Link modes are defined in the table below where the SCLK rates have been converted to frame rates For global shutter the frame rate is one half the rolling shutter rate Table 15 Maximum Supported Frame Rates for Different Camera Link Modes ee Mieanreasar Myeamaisto Because the minimum exposure time is one row time and the row time is a function of SCLK frequency the minimum exposure time is also sensitive to which Camera Link mode is used The summary of minimum exposure time for either rolling shutter or global shutter is defined in Table 16 Table 16 Minimum Exposure Time as a Function of Output Camera Link Mode Page 22 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual 9 1 Camera Link Configuration 9 1 1 Camera Link Output Mode To enter a specific Camera Link output mode there are 2 commands that must be is
14. ecccesesceeesseeeececeeceeeueseeenses 22 Table 16 Minimum Exposure Time as a Function of Output Camera Link MOde ccccccsseeeeeeeseceeeeseceeeeneceeeeees 22 Table 17 Required Camera Link Commands to Enter a Given Camera Link Output Mode cccccccssseceeeeseeeeeeees 23 Table 18 Pseudo One Port Mode CommandS u hen 24 Table 19 Rowelnterlesveda Mode COM MANOS un ee 24 Table 20 Factory Default Network Address Settings ccccccccsssecccessececceseccecesececeesececseneceseuaeceeseeecessunecesseneceeseges 24 Page 4 of 27 60 000007 RITICAL May 12 2015 INK b www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual 1 Introduction The purpose of this document is to outline the specific features of the MityCAM B1910 and MityCAM B2521 cameras 1 1 Additional Documentation In addition to this document the following documents are also useful pertinent to the use and operation of the MityCAM B1910 and MityCAM B2521 cameras Table 1 Reference Documentation 60 000004 MityCAM B1910 Camera Link Provides complete application programmer interface Interface Document information for serial command port of Camera Link interface for MityCAM B1910 60 000005 MityCAM B2521 Camera Link Provides complete application programmer interface Interface Document information for serial command port of Camera Link interface for MityCAM B2521 Guide Procedure MityCAM firmware 1 2 Vocabulary Sen
15. essecscsceseececscssessess 23 WIP euno One POrE N Ole ee ee ee ee eier 23 LO EL UMC AG OWS ee euere een ertene 24 10 1 2 CLONE ACI ON srs dara sic cetera een oar sans capac een ee ee 24 11 MityCAM B1910 Specific CONFIZUIratiONS sccscecsccscsceccccccsceccccecscsccccecscnceccececsceceececscucescecscucescececscesessess 24 12 Network CONT SUL AN a ae ae a Re ee ee 24 13 Firm Ware Wi A ea E tons stan cavacuetyss nae anacanonase Dennerle 25 14 Connecting via RNDIS to a Windows PC cscscsecccccccececscecscscscncncscsccccccccecececececececececscncscscncececsceceseseseeeeees 26 15 REVISION HISTORY eines ee set outage steel eier 27 Figures Figure 1 MitYCAM B2521 Readout Order nee EAEE EAEE 6 Figure 2 Potential Leakage Blooming with Reduced Vertical ROIS uusueeseeesessssnnnnnnnnnnnnnnnnnnnnnnenensesnnnnnnnnnnnnnnnnnn 9 Fieure 3 CIS Snapshot Control WINdOW ee een E AEN 11 Poea Upe ORIO PIN aE eE ee EEEE AEA 13 Figure 5 Global Shutter Exposure Exposure less than ROI Height 16 row times cccccccsesseecceeeeeeeeceeeeeeeeeeeeeens 15 Figure 6 Global Shutter Exposure Exposure greater than ROI Height 16 row times eeessssessrrrssesrrrrseserrrressrrere 15 Figure 7 Global Shutter Exposure is sampled on a row time 1 row of jitter possible uesssnccsseesenneneneeeennenenen 15 Figure 8 MityViewer CIS Calibration Window Configured for External Trigger cccccccsseccccssecceceeseceeeesecesseeceeeenes 17 Figu
16. gt will cause the camera to free run Page 16 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp NIT CAM MityCAM B1910 B2521 User s Manual 7 2 2 MityViewer On the GPIO tab of the CIS Calibration Window set Pin 1 to input and press the checkbox CS Calibration Imaging GPIO Shutter Timing Open Time ms Close Time ms Active High Trigger Pin 1 IM Pin 2 TN Pin 3 IN Pin 4 IN Finstae LILI O UO Update Trigger Mode One Per Image Trigger Delay ms 0 Trigger Active High Figure 8 MityViewer CIS Calibration Window Configured for External Trigger In the log the following lines will appear Logger 2015 02 27109 53 56 505 DBG Calling CL5etlrigger 0 0 CI52521 1 2015 02 27109 53 56 505 DBG ARM Handling Message 88 Set Trigger CI52521 1 2015 02 27109 53 56 705 DBG ARM Done Handling Message 55 Set Trigger Clear Max Entries 2000 Stay on top Pause Figure 9 MityViewer Log Window for Trigger Configuration Page 17 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com NIT CAM MityCAM B1910 B2521 User s Manual On the Snapshot Control select Continuous and set the desired exposure time Frame interval is ignored when in Capture Type Rolling Shutter Global Shutter external trigger mode Background Subtraction Number of Frames 1 Background Invalid Measure Test Pattern Pattern Type configure
17. m SCLK lt SFIT O gt Set the frame rate to the maximum supported BEE 6 lt STRT gt Begin continuously capturing When exiting this mode ensure that lt SSQRT O gt is applied to disable the square root compression 3 Region of Interest The region of interest is configurable between the sensors with some limitations 3 1 Restrictions The shared restrictions of ROI ROI height must be an integer multiple of the vertical binning value ROI width must be an integer multiple of the horizontal binning value ROI width must be an integer multiple of 16 3 1 1 MityCAM B2521 The maximum resolution of the sensor is 2560x2160 The specific restrictions for the 2521 Start column must be even ROI must be centered on the middle row columns don t need to be centered only rows ROI height must be even 3 1 2 MityCAM B1910 The maximum resolution of the sensor is 1920x1080 There are no other specific restrictions for the MityCAM B1910 Page 8 of 27 RITICAL 60 000007 May 12 2015 INK i www criticallink com amp NIT CAM MityCAM B1910 B2521 User s Manual 3 2 MityViewer Restrictions The ROI must meet the above specified requirements when using the MityViewer 3 3 Important Note Rolling shutter starts exposure by sending a reset pointer row by row through the selected area After some amount of time the rows are read out When rows are not reset read out they will continue to accumulate charge
18. me in MityViewer is milliseconds Adjust the values using the boxes provided on the CIS Snapshot Control window Capture Type Rolling Shutter Global Shutter Background Subtraction Number of Frames Background Invalid Measure Test Pattern Pattern Type configure Number of Frames Continuous 1 Ss Timing Exposure Time ms Frame Interval Time ms Start Row Start Col Horizontal Figure 3 CIS Snapshot Control Window The frame interval takes precedence when setting values If exposure is configured for 500ms and the interval is configured for 100ms the exposure will be reduced to support the 100ms frame interval Page 11 of 27 60 000007 RITICAL May 12 2015 INK lt www criticallink com Ki nn I Mitikam 5 SCLK There are a fixed number of SCLK frequencies available These SCLK values directly impact the row time There are 2624 SCLK cycles per row for the MityCAM B2521 There are 2464 SCLK cycles per row for the MityCAM B1910 MityCAM B1910 B2521 User s Manual Use the table below to convert the number of rows into a row time The Camera Link interface allows programming the SCLK intervals for both the 1910 and 2521 cameras By default is uses the 200 MHz clock rate for 10 tap modes of operation The MityViewer selects 200 MHz for rolling shutter operation and 80 MHz for global shutter operation Table 9 Row Times per SCLK Frequencies for 1910 and 2521 Cameras
19. net Protocol Version 4 Properties Box 4 Enable static IP for the USB by NIC by setting the following parameters a Select Use the following IP address b Enter IP address 10 1 47 1 c Enter subnet mask 255 255 255 0 d Leave Default Gateway blank e Select Use the following DNS server addresses radio button and leave blank See Figure 17 Page 26 of 27 60 000007 RITICAL May 12 2015 INK t lt _ www criticallink com MityCAM B1910 B2521 User s Manual Internet Protocol Version 4 TCP IPv4 Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address m 1 4 1 Subnet mask 255 255 255 Default gateway Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server Alternate DNS server E Validate settings upon exit Figure 17 Static IP Configuration Settings 5 The USB RNDIS device is now configured for use with the MityCAM Note that you can connect to the camera using SSH and SCP protocols There is also a basic web interface for gathering serialnumber data and performing firmware upgrades 15 Revision History Revision Date Autor __ Deerption O 05 12 2015 Jeff Myers Initial Release Apply document template P
20. o the maximum supported 2 2 Expanded 16 bit Mode 16 bit x 5 pixels This mode offers the highest continuous frame rate possible while outputting all of the sensor data Table 3 Steps to Enter 16x5 Expanded Camera Link Step Command Comment 4 lt SFITO gt Set the frame rate to the maximum supported 2 3 Base 8 bit Mode 8 bit x 2 pixels This mode offers the highest continuous frame rate possible Table 4 Steps to Enter 8x2 Base Camera Link Step Command Comment 4 lt SFITS0000 gt Set the frame rate to the maximum supported _ _ Page 7 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp N tycam MityCAM B1910 B2521 User s Manual 2 4 Base 16 bit Mode 16 bit x 1 pixel This mode offers the highest continuous frame rate possible Table 5 Steps to Enter 16x1 Base Camera Link Step Command Comment S lt SOMD 1 gt Go to Base Camera Link output lt SBPP 1 gt Go to 16 bpp output lt SFIT O gt Set the frame rate to the maximum supported lt SCLK n gt See Table 14 in Section 9 for maximum SCLK lt STRT gt Begin continuously capturing 2 5 Base 12 bit Mode 12 bit x 2 pixels This mode offers the highest continuous frame rate possible Table 6 Steps to Enter 12x2 Expanded Camera Link Step Command Comment lt SOMD 1 gt Go to Base Camera Link output lt SBPP 2 gt Go to 12 bpp output lt SCLK n gt See Table 14 in Section 9 for maximu
21. or architecture ROlpeignt is the configured height 7 1 Timing Characteristics Exposure duration is set according to the section 4 2 Exposure Exposure begins as specified in the sections below 7 1 1 Rolling Shutter Upon detection of a rising edge a rolling reset frame will be started Exposure will continue for the duration configured When exposure is complete the frame will be read out The external trigger pulse width should be at least one row time wide and less than the number of row times in the configured ROI For MityCAM B2521 that is the number of rows in the ROI height 7 1 2 Global Shutter To maximize the potential trigger frequency supported by the camera and due to sensor control requirements exposure begins and ends at different times depending on the length of exposure The sensor operates on a time scale of row times which correspond to a fixed number of clock ticks The number of clock ticks depends on the sensor Page 14 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp MityCAM B1910 B2521 User s Manual Ttrig Trigger Exposure Texp start Figure 5 Global Shutter Exposure Exposure less than ROI Height 16 row times Trigger Exposure Texp Figure 6 Global Shutter Exposure Exposure greater than ROI Height 16 row times Trigger Exposure Tj Jitter Figure 7 Global Shutter Exposure is Sampled on a Row Time 1 row of jitter possible Table 12
22. re 9 MityViewer Log Window for Trigger Configuration sssseseeeessresssreresrerrssreressrressrerosererssreresrrreserereserresere 17 Figure 10 MityViewer Snapshot Control Window Configure for Continuous Capture uneessesssssseesnsssnesnnnnnensnenenennn 18 Figure 11 Shutter Strobe Timing in Rolling Shutter MOde ccccccssseccccsseccccesscccceesececeeeceeeeeeceeeeueeceseusecessegeceesenes 19 Figure 12 Strobe to Exposure Delay 1 row time cccccccccssseccccceessecceeceeeeccceeeeecceeeeeesccesseeeaeceeeseeeeeeeesuegeeeetegs 19 Figure 13 Shutter Strobe Selection in MityViewer GPIO Configuration cccccccssscccccssececceseceeceeseceeeeseceeeeeeceesenes 21 Figure 14 Network Configuration WeDPage cccccccssseccccsseccccesscccceusececeesececeeaecceeeuseceseenecessunceeseusecessueceesugecessenes 25 Figure 15 Typical Windows USB RNDIS Adapter Properties cccscccccsseccccessccecesececeesececeeeeceeeeueceseuaecessegeceesenes 26 Figure 16 Internet Protocol Version 4 Properties BOX cccccccsssccccsssececceseccceescceeeeseceeeuecessueeceeseusecessuaecessegeceesenes 26 Figure 17 Static IP configuration Settings sauna ea 27 Tables Table 1 Reference DOCUMENTATION ccccccccsseccecseseccceesececceuecceceusececseneceeseesecesausecessuneceeseuecessusecessensceesensecessenecessenes 5 Table 2 Steps to Enter 8x10 Expanded Camera Link ccccccccssseccccesecceeensececaueceecesecceeeesece
23. read from the center out The result is data being output row by row interleaved from the center of the sensor out For maximum frame rate the frame grabber must perform the unwinding of the interleaved rows sg ws gt ROW READOUT NUMBER ORDER H 1 Hi2 2 5 gt Hi2 1 3 u H Hi2 2 4 H 2 3 5 J _ H i Figure 1 MityCAM B2521 Readout Order The camera can also be configured to output in raster order For information on this mode and the limitations on the camera see section 10 1 Pseudo One Port Mode Page 6 of 27 60 000007 RITICAL May 12 2015 INK b www criticallink com N tycam MityCAM B1910 B2521 User s Manual 2 Continuous High Speed Operation via Camera Link This section details setting up full resolution high speed operation in each Camera Link configuration Pay careful attention to the clock and frame intervals that are being set Failure to set an appropriate clock or frame interval will overflow the FPGA with sensor data resulting in undefined output For each mode SCLK must be adjusted Please reference Table 14 Maximum Supported SCLK Rates for Different Camera Link Output Modes in Section 9 2 1 Expanded 8 bit Mode 8 bit x 10 pixels This mode offers the highest continuous frame rate possible Table 2 Steps to Enter 8x10 Expanded Camera Link Step Command Comment 4 lt SFITO gt Set the frame rate t
24. rleaved Mode Commands Command Meaning O lt SPOP 0 gt Output in row interleaved format lt SSOMD 0 gt Output from the middle out 11 MityCAM B1910 Specific Configurations There are currently no special configuration modes for the MityCAM B1910 12 Network Configuration There are 2 TCP IP IPV4 network interfaces currently used by the MityCAM B1910 and MityCAM B2521 namely USB and GigE For all I O options a USB2 0 port is available that runs the Remote Network Driver Interface Specification RNDIS with a fixed static IP address configured from the factory For cameras with the Gigabit Ethernet interface option the IPV4 address is configured at the factory to use the Dynamic Host Configuration Protocol DHCP as summarized in the table below Table 20 Factory Default Network Address Settings DHCP IPV4 Address netmask USB 2 0 Port EEE 10 1 47 2 16 Gigabit Ethernet option N A There is a mechanism for updating the default network address via a simple web page interface to the camera The MityViewer application which uses the Critical Link clcamiface DLL provides a mechanism to locate the device on the network using a custom discovery protocol You can locate an Ethernet camera connect by selecting Ethernet and Scan for devices on the camera connection dialog of the application Page 24 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp MIT CAM MityCAM B1910 B2521
25. sor The sCMOS sensor on the headboard of the camera hardware stack Row One complete row of pixels output from the sensor SCLK The clock provided by the SoC Processor board to the sensor for it to operate There are a fixed number of SCLK values supported by the camera Row time A fixed number of SCLK periods which includes time to shift and convert charge as well as read out the data from the sensor Integral multiples of row time is the basic unit of time recognized by the sensor 1 3 Important Differences 1 3 1 Sensor Size The primary difference between the two sensors is their maximum resolution e Maximum 2521 ROI Height 2160 rows e Maximum 1910 ROI Height 1080 rows The 2521 sensor has two halves a top and bottom half each with 1080 rows which operate in parallel making the timing very similar for both sensors Because of this difference for MityCAM B2521 ROlpeient Should be divided by 2 from the output image s height when considering timing in the tables in the following sections Page 5 of 27 60 000007 RITICAL May 12 2015 INK i www criticallink com amp NIT CAM MityCAM B1910 B2521 User s Manual 1 3 2 Sensor Readout Order 1 3 2 1 MityCAM B1910 This is a raster order camera Rows are output from the top of the sensor down or from the bottom up Most frame grabbers should be able to handle this method of data output 1 3 2 2 MityCAM B2521 Normal operation for the camera is to
26. ssuseceseenecesseusecessugecessenes 7 Table 3 Steps to Enter 16x5 Expanded Camera Link cecccccssseccccsecceeescccceuseceeeeeeceeeeeneceesuneceseeneceeseusecessenecessenes 7 Table 4 Steps to Enter 8x2 Base Camera LINK ccccccsssececcssccccesececeeecceeesecessuseceeeeneceeeeuneceseuneceseenceesenecessegecessenes 7 Table 5 Steps to Enter 16x1 Base Camera LIinK c ccccscccccsssccccesececceeccceeeseceeausececseneceeseeeceseuaeceseegeceeseusesetsuecessenes 8 Table 6 Steps to Enter 12x2 Expanded Camera Link ernennen 8 Page 3 of 27 60 000007 RITICAL May 12 2015 INK b www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual Table 7 Range of Frame Interval TiMes rc rennt 9 Table 8 Allowed Exposure TIMES ee ee E i 10 Table 9 Row Times per SCLK frequencies for 1910 and 2521 CaMeras cccccecccssecccesecccnecceneceeeeesseueceseueceeeeseeeuses 12 Toe OGRO MOOS oi E E 12 Table 11 Camera Link GPIO output configuration commandsS essssesseesesrerssrressrreresrreresrrressreresrrressrereserreserereserresene 14 Table 12 Gl o alShb tter Timing Parameters ee seen ee 15 Table 13 Camera Link Commands for Configuring GPIO to Generate Shutter Strobe sesscesesrseerrserreeerresrrrerrreens 21 Table 14 Maximum Supported SCLK Rates for Different Camera Link Output Modes cccccceesceeeececeeceeeneseeenees 22 Table 15 Maximum Supported Frame Rates for Different Camera Link Modes cccccee
27. sued to the camera The first command sets the number of bits per pixel to output The second command sets the output mode Base vs Expanded For entering and exiting 12 bit mode it is important to enable disable the square root compression block as well Table 17 summarizes the commands that must be issued to configure the Camera Link output mode Further information on the Camera Link interface can be found in the MityCAM B1910 or MityCAM B2521 Camera Link Interface Document Table 17 Required Camera Link Commands to Enter a Given Camera Link Output Mode Output Mode 16 bpp x 5 pixels Expanded lt SBPP 1 gt lt SOMD O0 gt lt SSQRT 0 gt 8 bpp x 10 pixels Expanded lt SBPP 0 gt lt SOMD O0 gt lt SSQRT 0 gt 8 bpp x 2 pixels Base lt SBPP 0 gt lt SOMD 1 gt lt SSQRT 0 gt 12 bpp x 2 pixel Base lt SBPP 2 gt lt SOMD 1 gt lt SSQRT 1 gt 16 bpp x 1 pixel Base lt SBPP 1 gt lt SOMD 1 gt lt SSQRT 0 gt After setting the Camera Link mode be sure to set an acceptable clock speed at or below the maximum SCLK listed earlier 1 Select a desired frame interval 2 Set an exposure time that is sufficiently small for the minimum frame interval a See section 3 Exposure amp Frame Interval Time 3 Issue lt SFIT 0 gt Special provisions have been made so that the fastest frame rate possible is configured when attempting to set a frame interval of 0 The actually configured frame interval can be checked using lt GFIT gt Issue lt S
28. tyCAM B1910 B2521 User s Manual 4 2 Exposure For a given Frame Interval of N row times the exposure time must be limited according to Table 8 For externally triggered modes N must be limited to be less than 262143 ROlypeisht Table 8 Allowed Exposure Times Frame Interval rows Minimum Exposure row times Maximum Exposure row times Rolling Shutter Global Shutter Rolling Shutter Global Shutter N ROleigne 17 4 3 Configuring Exposure and frame interval can only be set when the camera is not actively capturing The interfaces take exposure as a time Time is then converted to the nearest integral number of row times Make sure to note the units when setting these times 4 3 1 Camera Link The resolution of the Camera Link interface is microseconds Set exposure using the lt SEXP time gt command Set frame interval using the lt SFIT time gt command To guarantee correctly set time exposure and frame interval should be set in the following manner e I fthe desired exposure is longer than the current frame interval can support set the frame interval to be longer first then set the exposure e f the desired frame interval is shorter than the current exposure requires set the exposure shorter first then set the frame interval Page 10 of 27 60 000007 RITICAL May 12 2015 INK b www criticallink com amp MIT CAM MityCAM B1910 B2521 User s Manual 4 3 2 MityViewer The resolution of ti
29. yViewer From the GPIO tab in the CIS Calibration window select the Shutter option for the pin which should output the strobe signal Page 20 of 27 60 000007 RITICAL May 12 2015 INK dr www criticallink com MityCAM B1910 B2521 User s Manual Ci Calibration Imaging GPIO Shutter Timing Open Time ms Close Time ms Active High Pin 2 Pin 3 Pin Pin State L LI LI L Trigger Mode Trigger Delay ms Trigger Active High Figure 13 Shutter Strobe Selection in MityViewer GPIO Configuration 8 3 2 Camera Link The following example will set IO 1 to create a shutter signal Table 13 Camera Link Commands for Configuring GPIO to Generate Shutter Strobe Command Meaig O O lt SETD 1 1 gt Set the pin direction of IO 1 to 1 output lt SETP 1 2 gt Drive IO 1 to 2 shutter The above steps can be used to enable the shutter strobe on any of the remaining pins Page 21 of 27 60 000007 RITICAL May 12 2015 INK b www criticallink com N tycam MityCAM B1910 B2521 User s Manual 9 Camera Link There are 5 different Camera Link output modes supported by the MityCAM B2521 and the MityCAM B1910 The pixel clock for the Camera Link output is currently fixed at 85MHz This is not configurable DVAL is not output Data is valid with LVAL and FVAL is valid Table 14 Maximum Supported SCLK Rates for Different Camera Link Output Mo
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